Search found 562 matches

by XavSnap
Sun Mar 17, 2019 8:57 pm
Forum: Hardware
Topic: ZX81 pulse cleaner article
Replies: 5
Views: 233

Re: ZX81 pulse cleaner article

French article from Elektor.
(Zx81 Signal cleaner)
(English release: https://archive.org/stream/ElektorMagaz ... 1/mode/2up )

peaufineur impulsions zx81_1.jpg
peaufineur impulsions zx81_2.jpg
peaufineur impulsions zx81_3.jpg
by XavSnap
Thu Mar 14, 2019 9:29 am
Forum: Welcome Area
Topic: My ancient Zeddy!
Replies: 3
Views: 294

Re: My ancient Zeddy!

:D
You had to change the character set…
oldset.PNG
oldset.PNG (2.97 KiB) Viewed 266 times
binary table...
old_set.zip
(466 Bytes) Downloaded 9 times
by XavSnap
Tue Mar 05, 2019 12:17 pm
Forum: Hardware
Topic: Hello All & Dead ZX .. probably
Replies: 16
Views: 516

Re: Hello All & Dead ZX .. probably

Hi,

Not Dead !
Just sleeping...
20190305_120839_resized.jpg
:lol:
by XavSnap
Mon Mar 04, 2019 8:24 pm
Forum: Emulators
Topic: bugs found on eo
Replies: 9
Views: 1037

Re: bugs found on eo

'// 5Fh - Memotech HRG card. If Port_ID = &H5F& And G_Card = eHiResMEMOTECH Then ' Debug.Print "Input Port MEMOTECH: "; Hex(port) If Mem_Display = 0 Then ' Clear display buffer. ClrMemory sLastScreen(0), 768 ' Clear display buffer. ClrMemory gcBufferBits(0), 6528 ' Clear Basic display. gpicDisplay....
by XavSnap
Mon Mar 04, 2019 3:57 pm
Forum: Emulators
Topic: bugs found on eo
Replies: 9
Views: 1037

Re: bugs found on eo

Got it ! Capture_memotech.PNG There is a 1kb memory buffer in the HRG Memotech ! Located beatween &0 and &400. It's use by the memotech rom to the display feature. In EO, this inboard buffer is assigned by the HRG card, but, the user can't write it. (RO restrictions over the ROM) If we POKE a value ...
by XavSnap
Mon Mar 04, 2019 3:14 pm
Forum: Emulators
Topic: bugs found on eo
Replies: 9
Views: 1037

Re: bugs found on eo

HI,

Is there any problems when the program is run twice on a real Memotech card?
This program is an asm code, and a bug can corrupt the card memory...
On the Xur, a second RUN display a bad UDG.

I had to test a french demo using the &0-&400 memory room, how we can switch it using an IRQ...
by XavSnap
Wed Feb 20, 2019 11:25 pm
Forum: ZX BASIC
Topic: Dungeons of Yore
Replies: 6
Views: 866

Re: Dungeons of Yore

YES...

Never type RUN... only GOTO 1 !

;)